Electrical Diagram? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
Rectifier, Diagrams, etc

 
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post #1 of 8 (permalink) Old 08-13-2008, 08:56 AM Thread Starter
 
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Electrical Diagram?

I saw a post in my digging of a wiring diagram for the 750. Any suggestions?
I need to find out why there is no power to my horns, also fuel gauge and brake light from the front brake doesnt work. I'm betting something somewhere is loose or uplugged. Question is "WHERE"
DW
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post #2 of 8 (permalink) Old 08-13-2008, 09:14 AM
and the Adventure Cycle
 
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Are you looking for the wiring diagram?

HERE is a color coded one, in the gallery.
Click on the picture itself for a larger version.


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


"When life throws you curves,
Aim for the apex."

Author Unknown
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post #3 of 8 (permalink) Old 08-13-2008, 10:03 AM
 
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Does anyone have a bigger version of that diagram? It's hard to read everything, but it is useful either way.
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post #4 of 8 (permalink) Old 08-13-2008, 11:33 AM
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Here's a link to my iDisk that has he wiring diagram broken up into 2 parts. It's easy to read, but it is not in color.

http://public.me.com/cceravolo

The files are about 600K each. Hope it helps.

Chris
Wayne, NJ
1989 VN750-A5
VROC #27781
-Replaced/Fused Stator & Replaced/Relocated R/R (15K mi.)
-MF Battery
-De-Goated/Re-goated
-Coastered
-Splines Lubed
-Stebel Nautilus Horn
-AutoMeter 2" VOM
-Silverstar Headlight
-Refinished Gauge Rings and Mirrors(Flat Black)
-Refinished Swingarm/Lubed Pivots
-K&S Turn Signals Clear Cover/Amber Bulb
-Kenda Kruz 110/90-19 front 170/80-15 rear
-Clear Alternatives LED tail light
-Plexifairing III
-Willie & Max Saddlebags and SissyBar Bag
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post #5 of 8 (permalink) Old 08-13-2008, 06:01 PM Thread Starter
 
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Boy, that helps a LOT. From what I can tell, the horn goes to the front brake light switch. SOOOOO,, where the heck is that front brake light swith thing a mo bob?
DW
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post #6 of 8 (permalink) Old 08-13-2008, 11:05 PM
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The front brake light switch is under the brake lever. The horn does not go to the brake light switch itself, it just goes to the same assembly area on the right handlebar. If it went to the brake light, either the horn would honk every time you pulled the brake lever or your brake lights would light up every time you hit the horn or you would have to work both at the same time in order for them to work at all.
There are 3 plugs behind the head light plus a small light blue/dark blue striped wire that could be part of the problem. Don't get this small wire confused with the 2, 3 wire bundles that go to the running/signal lights.
It could also be your ignition switch. My tail lights quit working and it turned out the be the ignition switch contacts were dirty.

Jim W
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08
21480 Miles
VROC #8542
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post #7 of 8 (permalink) Old 08-13-2008, 11:13 PM Thread Starter
 
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Thanks Jim. so how do you pull the inition switch?
DW
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post #8 of 8 (permalink) Old 08-13-2008, 11:23 PM
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You have to remove the headlight, unplug the connectors behind it, remove the two bolts that hold the bucket and let it hang down out of the way. Then you use a 6mm Allen key or hex key to remove the two bolts that hold the ignition switch in and then manuver it out. From there, there are two small phillips screws that you need to take out. Then you can remove the electrical switch from the lock assembly. Use a small flat tip screw driver to pry the backing off. Be careful not to break the slots where it snaps in. Once the backing is removed, you will be able to see the wires themselves. Using the same small flat tip screw driver, pry the wire assembly away from the switch body. Be careful here too not to break the tabs that hold the assembly together and don't allow it to just come apart suddenly. There are three contacts with springs that fit on a rotor arm. Once this is apart, you can clean the contacts on the plastic plate with some emery cloth and the same with the small contact pieces from the rotor arm. Reassembly is the reverse of the above.

However, before you go through all that, check to make sure it's the ignition switch. It was merely a suggestion as to what could be wrong, not a concrete diagnosis. I was able to verify my problem because if I wiggled the key back and forth fro on to off and back, the tail light would come on. I also traced the wires from the tail light assembly to the ignition switch. It's better to troubleshoot and trace the problem rather than shotgun hoping to find a solution.

Jim W
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08
21480 Miles
VROC #8542
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